Northwest History. National Topics. General O-S. United States.

TO GATHER DATA ON THE ACTION OF THE COSMIC
RAYS: Dr. Robert A. Millikan (right), physicist of the California
Institute of Technology, sends one of a series of balloons into the
stratosphere from Fort Sam Houston, Texas.

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TO GATHER DATA ON THE ACTION OF THE COSMIC
RAYS: Dr. Robert A. Millikan (right), physicist of the California
Institute of Technology, sends one of a series of balloons into the
stratosphere from Fort Sam Houston, Texas.